81142624

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:719

約数の個数: 48

約数和(自身を含む): 166271616

約数和(自身を除く): 85128992

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 157, 248, 314, 496, 521, 628, 992, 1042, 1256, 2084, 2512, 4168, 4867, 5024, 8336, 9734, 16151, 16672, 19468, 32302, 38936, 64604, 77872, 81797, 129208, 155744, 163594, 258416, 327188, 516832, 654376, 1308752, 2535707, 2617504, 5071414, 10142828, 20285656, 40571312, 81142624]

約数ペア:

[(1, 81142624), (2, 40571312), (4, 20285656), (8, 10142828), (16, 5071414), (31, 2617504), (32, 2535707), (62, 1308752), (124, 654376), (157, 516832), (248, 327188), (314, 258416), (496, 163594), (521, 155744), (628, 129208), (992, 81797), (1042, 77872), (1256, 64604), (2084, 38936), (2512, 32302), (4168, 19468), (4867, 16672), (5024, 16151), (8336, 9734)]